Probably with great difficulty. If the supports are fastened from the top of the cabinet, then you will have to saw, chisel, or split them out so the sink can be lowered from the countertop. While you are doing this you may want to support the sink with a 2x4 on top of the counter with ropes through the drain openings. If the sink is set on the countertop sub base, then the opening will have to be enlarged so the sink can be lowered through it.

: how do you replace a kitchen sink that is installed under a corian counter top. It is a Kohler under counter sink.???